5961-00-442-3189 TRANSISTOR Index 5305-00-442-3196 SCREW,MACHINE

National Stock Number:
5985-00-442-3195

Federal Supply Class:
5985

National Item Identification Number:
004423195

Description:
ATTENUATOR,VARIABLE

Detail:
A device for reducing the strength of an alternating current signal either continuously or in steps, without causing appreciable signal distortion, by maintaining substantially constant output and/or input impedance match. Continuously variable resistive devices must consist of at least two sections or one section with at least two rotating contacts. The item must have an overall attenuation rating. Includes tandem mounted variable resistors designed to function as an attenuator but whose terminals are not connected. See also RESISTOR, VAIABLE (as modified).


Manufacturer Information:
138C225H0197942NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
ADJUSTMENT DEVICE TYPE AND QUANTITY1 SHAFT AND 1 KNOB
APPLICATION DESIGNTRANSMISSION LINE
ATTENUATION VARIATION METHODCONTINUOUS
BODY STYLECOAXIAL TYPE
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH3.800 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH3.800 INCHES MAXIMUM
COAXIAL CONNECTOR SERIES DESIGNATIONN
FREQUENCY RANGE2.000 GIGAHERTZ MINIMUM AND 4.000 GIGAHERTZ MAXIMUM
IMPEDANCE RATING IN OHMS50.0 INPUT-OUTPUT
INSERTION LOSS AT MINIMUM ATTENUATION IN MAXIMUM DECIBELS6.0
MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER0.164 INCHES
MOUNTING FACILITY PATTERNFOUR POSITION RECTANGULAR
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATORUNC
MOUNTING FACILITY TYPE AND QUANTITY4 THREADED HOLE
MOUNTING THREAD QUANTITY32 PER INCH
OPERATING TEMP RANGE-10.0 TO 71.0 CELSIUS
OVERALL ATTENUATION ACCURACY IN DECIBELS-1.50 TO 1.50
OVERALL ATTENUATION RANGE IN DECIBELS+0.0 TO 100.0
OVERALL HEIGHT3.000 INCHES MAXIMUM
OVERALL LENGTH5.780 INCHES MAXIMUM
OVERALL WIDTH5.000 INCHES MAXIMUM
SPECIAL FEATURESATTENUATION ACCURACY MEASURED AT 2.0 AND 4.0 GIGAHERTZ
POWER RATING5.0 WATTS AVERAGE
SEGMENT ATTENUATION ACCURACY IN DECIBELS-1.50 TO 1.50
SEGMENT ATTENUATION RANGE IN DECIBELS+0.00 TO 100.00
SHAFT LENGTH0.620 INCHES MAXIMUM
SHAFT DIAMETER0.250 INCHES MAXIMUM
SHAFT TYPEROUND
TERMINAL TYPE AND QUANTITY2 CONNECTOR, COAXIAL, FEMALE
TEST DATA DOCUMENT97942-138C225 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
VOLTAGE STANDING WAVE RATIO1.50


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